QuickFacts

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Median household income of Harris County, Texas is

$54,457

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of Cook County, Illinois is

5,238,216

35.8%

of persons 25 years+ in Cook County, Illinois have a bachelor's degree or higher

28.0%

of persons in Harris County, Texas are under 18 years

10.5%

of persons in Los Angeles city, California are 65 years and over

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of Maricopa County, Arizona is

4,167,947

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates